When storing the sight glass prior to installation, the following
conditions shall be met:
1.1 In a covered area free from dust.
1.2 The sight glass shall either be stored in their original packaging
or stood on shelves, or in clean boxes free of any contamination,
which could damage the lining. The flange protectors should be
left in place at all time when in storage.
1.3 When the original packing is used for storage, care should
be taken to avoid excessive stacking of the boxes.
The packing cases should be handled by means of trucks, pallet
trucks belts or chains. The use of hooks, which may pierce the
packing and damage the valve linings, should be avoided.
and Start-up Conditions.
2.1 Before installing the sight glass in the pipeline, drain
and clean the mating flanges to avoid damaging the sight glass
by swarf, grit, weld splatter etc.
a) Remove the plastic flange protectors.
b) Check that the sight glass internals appear clean and free
from obvious contamination.
c) Clean, and if necessary blow-dry with clean air, the inside
of the sight glass.
d) Clean the mating faces of the sight glass and the pipe with
appropriate solvents.3. Maintenance & Repair.
Owing to their design, KLSGB bulls eye sight glass do not require
any routine maintenance.
Because KLSGB bulls eye sight glass are likely to be handling corrosive
or hazardous liquids, it is important that the sight glass is fully
decontaminated prior to dismantling, and that it is free from any
Do not use steam
to decontaminate the valves.
Maintenance of the KLSGB bulls eye sight glass should be carried
out on a clean working surface, free of dust, swarf, or other particles,
which could damage the PFA lining and or the Borosilicate glass
It should be maintained in a clean state.
No special tools are required for the maintenance of KLSGB bulls
eye sight glass. Operators will require a set of spanners and hexagon
type keys for dismantling the valves and a torque wrench to set
the body bolts at the correct torque on re-assembly.